/Engine/Source/Runtime/SlateCore/Public/Textures/TextureAtlas.h
Parameters for flushable atlases that dictate when the atlas is allowed to flush after it becomes full
struct FAtlasFlushParams
int32
GrowAtlasFrameWindow
int32
GrowNonAtlasFrameWindow
int32
InitialMaxAtlasPagesBeforeFlushRequest
int32
InitialMaxNonAtlasPagesBeforeFlushRequest